The CPP film has high transparency, high loss, low temperature for heat sealing, heat resistence, moisture resistence, anti-damping, excellent insulation features. At present, the CPP films are used as the inner material of food packing bags, such as high temperature sterilization retort pouch, metal aluminizing bags, or low heat sealable film for auto packing machin, these can be produced after CPP go through metal alumnizing, or laminating with BOPP, BOPET, BOPA. It can also be used for texitle, apparel, or CD packaging.